page_title: Quad (unit)
hierarchical_section_title: Quad (unit)
caption_attribution_description: English: US Energy Consumption 2016
context_page_description: A quad is a unit of energy equal to 10¹⁵ BTU, or 1.055 × 10¹⁸ joules in SI units.
  The unit is used by the U.S. Department of Energy in discussing world and national energy budgets. The global primary energy production in 2004 was 446 quad, equivalent to 471 EJ.
  Some common types of an energy carrier approximately equal to 1 quad are:
  8,007,000,000 gallons of gasoline
  293,071,000,000 kilowatt-hours
  293.07 terawatt-hours
  33.434 gigawatt-years
  36,000,000 tonnes of coal
  970,434,000,000 cubic feet of natural gas
  5,996,000,000 UK gallons of diesel oil
  25,200,000 tonnes of oil
  252,000,000 tonnes of TNT or five times the energy of the Tsar Bomba nuclear test
  13.3 tonnes of uranium-235
context_section_description: A quad is a unit of energy equal to 10¹⁵ (a short-scale quadrillion) BTU, or 1.055 × 10¹⁸ joules (1.055 exajoules or EJ) in SI units.
  The unit is used by the U.S. Department of Energy in discussing world and national energy budgets.   The global primary energy production in 2004 was 446 quad, equivalent to 471 EJ.  
  Some common types of an energy carrier approximately equal to 1 quad are:
  8,007,000,000 gallons (US) of gasoline
  293,071,000,000 kilowatt-hours (kWh)
  293.07 terawatt-hours (TWh)
  33.434 gigawatt-years (GWy)
  36,000,000 tonnes of coal
  970,434,000,000 cubic feet of natural gas
  5,996,000,000 UK gallons of diesel oil
  25,200,000 tonnes of oil
  252,000,000 tonnes of TNT or five times the energy of the Tsar Bomba nuclear test
  13.3 tonnes of uranium-235
caption: A Sankey diagram using quads.
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